tuning
n.-
1 musical adjustment (n.) B2 Upper Intermediate Musicadjusting a musical instrument so it plays the correct notes.
the adjustment of a musical instrument to a standard of pitch or to a specific interval relationship.
ExampleThe orchestra spent several minutes on tuning before the concert began.
ExampleThe pianist requested a professional tuning after the instrument was moved across the country in a humid shipping container.
UsageOften used as an uncountable noun referring to the activity itself.
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2 technical optimization (n.) B2 Upper Intermediate Engineeringmaking small changes to a machine or system to make it work better.
the fine-tuning or optimization of a mechanical or electronic system to improve efficiency or performance.
ExampleThe mechanic finished the engine tuning to help the car go faster.
ExampleDatabase tuning is a critical task for ensuring that the software can handle thousands of simultaneous users without crashing.
UsageCommonly appears in the compound 'fine-tuning'.